President Trump smiles during his meeting with his Kazakh counterpart Nursultan Nazarbayev in the Oval Office Tuesday.(Photo: NICHOLAS KAMM, AFP/Getty Images)

The test, called the Montreal Cognitive Assessment, is a screening tool used to identify mild cognitive impairment or dementia. It asks a series of questions ranging from drawings of animals, which patients must name, to copying a cube, and counting backwards from seven. While the questions may seem straight forward enough, they are designed to identify the attention, memory and visual skills that deteriorate in people with dementia.